/*
This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file is based on Keepassdroid, Copyright Brian Pellin.

  Keepass2Android is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.

  Keepass2Android is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with Keepass2Android.  If not, see <http://www.gnu.org/licenses/>.
  */
using System;
using Android.App;
using Android.Content;
using KeePassLib.Interfaces;

namespace keepass2android
{

  public abstract class OperationWithFinishHandler
  {

    protected OnOperationFinishedHandler _operationFinishedHandler;
    public IKp2aStatusLogger StatusLogger = new Kp2aNullStatusLogger(); //default: empty but not null
    private IActiveContextProvider _activeContextProvider;

    protected OperationWithFinishHandler(IActiveContextProvider activeContextProvider, OnOperationFinishedHandler operationFinishedHandler)
    {
      _activeContextProvider = activeContextProvider;
      _operationFinishedHandler = operationFinishedHandler;
    }

    public OnOperationFinishedHandler operationFinishedHandler
    {
      get { return _operationFinishedHandler; }
      set { _operationFinishedHandler = value; }
    }


    protected void Finish(bool result, String message, bool importantMessage = false, Exception exception = null)
    {
      if (operationFinishedHandler != null)
      {
        operationFinishedHandler.SetResult(result, message, importantMessage, exception);
        operationFinishedHandler.Run();
      }
    }

    protected void Finish(bool result)
    {
      if (operationFinishedHandler != null)
      {
        operationFinishedHandler.SetResult(result);
        operationFinishedHandler.Run();
      }
    }

    public void SetStatusLogger(IKp2aStatusLogger statusLogger)
    {
      if (operationFinishedHandler != null)
      {
        operationFinishedHandler.StatusLogger = statusLogger;
      }
      StatusLogger = statusLogger;
    }

    public abstract void Run();
  }
}

